Question about Sony XM-752EQX Car Audio Amplifier

No Sound/ lights flashing on Amp

I have a Sony XM-752EQX amp that has all of a sudden quit working. I get no sound from the speakers. The unit powers up with the power light coming on. In addition to that the over current, offset, and thermal lights all light up green and flash continually in some sort of a coded pattern. I can't find anything to tell me what the flashing indicates. They all three flash in the same pattern together. Any suggestions as to what is wrong?

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48 Answers

Disconnect your subs from the amp. If the lights go out then your sub is blown and is putting the amp into protect. If the lights keep flashing even with the subs disconnected than the Amp is toast.

Posted on Jul 14, 2007

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does the amp power on? usually if you cant get any power to an amp, its a problem with the ground connection. did you shave the paint off from the area where the ground wire touches the metal of your cat?

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As long as you have B+ and remote voltage, it will light up. Since you've tested the speaker and the signal source, I think the amplifier is likely defective.

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No Sound/ lights flashing on Amp

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Anonymous

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I have a sony explode1000 watt amp xm 2r1852 hooked up to 2 10" Sony explode 1100 watt speakers, my protection light comes on green and stays on but I don't have no sound .I've checked all the wiring and...

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